/*
 * RED5 Open Source Media Server - https://github.com/Red5/ Copyright 2006-2016 by respective authors (see below). All rights reserved. Licensed under the Apache License, Version
 * 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless
 * required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language governing permissions and limitations under the License.
 */

package org.red5.server.api.scope;

import org.red5.server.exception.ScopeNotFoundException;

/**
 * Resolve the scope from given a host and path. Resolver implementations depend on context naming strategy and so forth.
 */
public interface IScopeResolver {

    /**
     * Return the global scope.
     * 
     * @return Global scope
     */
    public IGlobalScope getGlobalScope();

    /**
     * Get the scope for a given path.
     * 
     * @param path
     *            Path to return the scope for
     * @return Scope for passed path
     * @throws ScopeNotFoundException
     *             If scope doesn't exist an can't be created
     */
    public IScope resolveScope(String path);

    /**
     * Get the scope for a given path from a root scope.
     * 
     * @param root
     *            The scope to start traversing from.
     * @param path
     *            Path to return the scope for.
     * @return Scope for passed path.
     */
    public IScope resolveScope(IScope root, String path);

}